2.10 Heating circulation pump
speed settings
gure 28 - Hydraulic pressures and ow rates available
0
1
2
3
4
5
6
7
8
mCE
1 mbar=10 mmCE=100 Pa
m/h
3
1
1,5 20,50
1
3
55
77
0
1
2
3
4
5
6
7
8
mCE
1 mbar=10 mmCE=100 Pa
m/h
3
1
1,5 20,50
1
3
55
77
Variable pressure
The circulator varies the manometric height
according to the owrate.
Recommended for a system equipped with
radiators (particularly any system with
thermostatic valves).
Constant pressure
The circulation pump maintains the
manometric height constant whatever the
ow rate.
Recommended for a system with constant
pressure drop like a oor heating system.
gure 29 - Operation signals the HP circulator
LED Off:
The pump does not work, no electrical power.
Green LED on:
The pump works normally
Green LED blink:
Venting operating mode (10 minutes).
Green/Red LED blink:
Operating error with automatic reboot.
Red LED blink:
Operating error.
Installation and operating manual "1578 - EN"
Heat Pump alféa extensa duo +
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